* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
}

body {
  padding: 0;
  margin: 0;
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background-color: #fff;
  color: #606c71;
  -webkit-text-size-adjust: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

a {
  color: #7e8c8d;
  -webkit-backface-visibility: hidden;
}

li {
  list-style: none;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track-piece {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:vertical {
  height: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:horizontal {
  width: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  border-radius: 6px;
}

.flex-box {
  display: flex;
}

.flex-direction-v {
  flex-direction: column;
}

.flex-wrap-wrap {
  flex-wrap: wrap;
}

.flex-center-v {
  align-items: center;
}

.flex-center-h {
  justify-content: center;
}

.flex-center-vh {
  align-items: center;
  justify-content: center;
}

.flex-between-h {
  justify-content: space-between;
}

.flex-1 {
  flex: 1;
}

.flex-2 {
  flex: 2;
}

.flex-3 {
  flex: 3;
}
